In a sedimentation tank, the detention period for water ranges from __________ hours.

Question: In a sedimentation tank, the detention period for water ranges from __________ hours.
[A].

2 to 4

[B].

8 to 12

[C].

16 to 20

[D].

24 to 32

Answer: Option A

Explanation:

No answer description available for this question.